Several recent studies have found that moderate drinkers of alcohol have lowered levels of heart disease risk than non-drinkers. it has been hypothesized that moderate drinking may reduce stress which in turn may lead to a reduction in the risk of heart disease. in this example lowered stress levels would be considered a(n) variable.

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. he was not wearing a safety helmet. his zygomatic arch was crushed, as well as parts of the temporal bone. following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. what nerve damage did he sustain?

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

Which type of culture would value sensitivity and peaceful resolution of conflicts